By default the phones are working with SCCP. The Cisco 79xx IP phone series support 2 protocols: SCCP (skinny) and SIP. When the Cisco Unified IP Phone 7900 series with pre-8.3(3) phone firmware tries to register to the Cisco Unified Communications Manager Business Edition 3000 server, the phone reboots, attempts to upgrade, and shows 'Auth Fail', 'Load Authentication Failed', 'Registration Rejected: Error DBCo.' After Cisco Unified IP Phone 7900 series on pre-8.3(3) firmware version is powered on and connected to the network, the phone device information needs to be entered in the Cisco Unified Communications Manager Business Edition 3000 phone configuration page. Press Setting Model Information Load File in order to check the phone firmware version. Note: You can directly upgrade the Cisco Unified IP Phone 7900 series 8.3(3) or later firmware version to 9.3(1) and register with Cisco Unified Communications Manager Business Edition 3000. To upgrade the Cisco Unified IP Phone 7900 series from pre-8.3(3) firmware version to 9.3(1) or later version, follow the steps provided to register these phones on the Cisco Unified Communications Manager Business Edition 3000 server. For all SIP firmware upgrades from pre-8.3(3) firmware release versions to 9.3(1) version or later, you must first upgrade your firmware to an intermediate version (8.3(3) to 8.5(2)) and then upgrade to 9.3(1).
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |